Clustering Phenomena In Nuclear Systems

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SUMMARY

The discussion centers on clustering phenomena in nuclear systems, emphasizing the historical evidence of nucleon cluster structures within isotopes over the past 65 years. Key references include works by J. A. Wheeler on resonating group structures and various studies demonstrating nucleon clusters in light nuclei, such as Li-7 and Be-7. The conversation seeks to explore the application of quark theory to these cluster structures, particularly in relation to Wheeler's concepts. The lack of engagement from experimental physicists in this area highlights a gap in current discourse.

PREREQUISITES
  • Understanding of nucleon cluster structures in isotopes
  • Familiarity with quark theory and its implications in nuclear physics
  • Knowledge of resonating group structures as proposed by J. A. Wheeler
  • Awareness of historical research in nuclear physics, particularly studies from the 20th century
NEXT STEPS
  • Research the application of quark dynamics in nucleon cluster structures
  • Study the historical context and findings of J. A. Wheeler's work on resonating group structures
  • Examine quantum Monte Carlo calculations of light nuclei as discussed by Pieper and Wiringa
  • Investigate recent experimental methods in nuclear physics related to nucleon clustering
USEFUL FOR

Researchers, nuclear physicists, and students interested in the theoretical and experimental aspects of nucleon clustering phenomena and their implications in modern nuclear physics.

Rade
I would like to start a thread on this topic--clustering phenomena in nuclear systems. I wish to learn the status of current research in this area. Let me start with a few historical perspectives, from journals well respected--cited below. What we find is a now 65 + year unbroken evidence of nucleon cluster structures within isotopes, both before and well after quark hypothesis appeared in mid 1960s. Now perhaps these nucleon cluster structures reported below derive from quark dynamics--this is the thread discussion I wish to start. For example, who today applies quark theory to John Wheeler concept of "resonating group structures" ? If not, why not ?

J. A. Wheeler. 1937. Phys. Rev. 52, 1083 & 1107 --- (On the mathematical description of light nuclei by the method of resonating group structures, & Molecular viewpoints in nuclear structure).

Tombrello, T. A., Phillips, G. C. 1961. Phys. Rev. 122, 224 (Cluster Nature of Li-7 and Be-7).

Neudatchin & Smimov. 1969. Progress in Physics, Vol. 10 (Evidence for nucleon clusters in the lightest nuclei of the 1p-shell from data on reactions at high energies).

Pauling, L & Robinson, A. B. 1975. Can. J. Phys. 53, 1953 (Rotating clusters in nuclei)

Nishioka, J. 1984. J. Phys. G:Nucl. Phys. 10, 1713 (Two alpha particle plus dinucleon cluster model for B-10 and Be-10)

Pauling, L. 1991. Proc. Natl. Acad. Sci. 88, 820 (Transition from one revolving cluster to two revolving clusters in the ground-state rotational bands of nuclei in the lanthanon nuclei).

Pieper, S & R. Wiringa. 2001. Annu. Rev. Nucl. Part. Sci. 51, 53 (Quantum monte carlo calculations of light nuclei)--here is a quote "microscopic calculations...can be explained starting from elementary two-and three-nucleon interactions".

Akimune, et al. 2004. Physics of Atomic Nuclei, 67, 1721 (Trinucleon cluster structure at high-excitation energies in A = 6 nuclei).
 
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I move this topic back into potential discussion given I received zero hits first time around--no one that reads this forum works in area of experimental physics of nucleon clusters ?
 

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